Children's Corner , Children's Encyclopedias
The Book of Time
Did you know that a zeptosecond is a trillionth of a billionth of a second? Or that the US once had 144 different time zones? Or that across your lifetime, you'll spend about 33 years in bed? Discover more questions, answers, and theories in this bumper bo
- Teo Georgiev
- words & pictures
- 96
- Hardback
- 9780711279551
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